
An increasing number of companies are bringing generative AI into the modernization of aging core systems. Even when design documentation is unavailable, AI can decipher source code and identify business logic. Cases are also emerging in which analysis on a scale that would have been unrealistic by hand is completed in a matter of months. Kakuyasu, a liquor wholesaler, is one such company. Its core system, which had operated for 30 years, had fallen into a











